21 Nov
2009
21 Nov
'09
11:37 p.m.
On 21/11/2009 18:36, Guy Sotomayor wrote:
Water is often termed the ultimate solvent. H2O (the
molecule) has some
interesting electrostatic properties
It's actually a slightly polar molecule because its shape is more like
O
/ \ than H--O--H (exaggerated by limitations of ASCII art)
H H
If you've not seen this demo, try the following: rub a plastic rod to
give it a slight static charge. Run a thin slow stream of water from a
tap, and then bring the charged rod close to the stream.
--
Pete Peter Turnbull
Network Manager
University of York